Riddle.



J. A. ISLIN.

RIDDLE.

APPLICATION FILED NOV. 25, 1911.

1,030,241 Patented June 18, 1912. i

WWW/sow JOHN A. ISLIN, OF NEWPORT NEWS, VIRGINIA.

RIDDLE.

Specification of Letters Patent.

Application filed November 25, 1911.

Patented June 18, 1912.

Serial No. 662,432.

To all whom it may concern:

Be it known that I, JOHN A. IsLIN, a citizen of the United States,residing at Newport News, in the county of Warwick and State ofVirginia, have invented certain new and useful Improvements in Riddles,of which the following is a specification.

The riddlewhich is the subject of the present invention is designed moreparticularly for use in foundries, and it is the obj ect of theinvention to provide an improved structure whereby the wire screen maybe readily removed from the body of the riddle, in order that it may berenewed when worn, or changed for one of different mesh.

In order that the invention may be better understood, reference is hadto the accompany drawing in which Figure 1 is a plan view of the riddle.Fig. 2 is a cross-section on the line 22 of Fig. 1. Fig. 3 is a planview of a modified form of riddle. Fig. 4 is a cross-section on the line44 of Fig. 3.

Referring specifically to the drawing, 10 denotes the body of theriddle, the same being cylindrical in form, as usual. The body may be aplain annular sheet metal band having a rolled rim at the top, in whicha stiffening wire 11 is embedded. At the bot tom of the band is anupward and inward bend 12, which forms a shoulder on which the wire mator screen 18 seats, the same comprising a ring over which the screeningmaterial is crimped or otherwise fastened. The diameter of the mat issuch that it fits snugly within the body 10.

In order to hold the mat 13 in place, spring latches are provided. Theselatches are strips 14 of sprlng metal which are riveted or otherwisefastened at one of their ends to the band 10, on the outside, and nearthe top thereof, and have at their other ends lateral bends 15 whichextend inwardly through apertures 16 in the band so as to one ofdilferent mesh. Instead of making the body of the riddle out of a sheetmetal band, the band may be a wooden one.

In the modified structure shown in Figs. 3 and 4, the body of the riddleis a wooden rim 17 which is reinforced by sheet metal bands 18 which arewrapped around the same longitudinally, so as to extend over the top andbottom edges and the inside and outside of the rim. On the inside of therim, near the bottom thereof, the bands have out standing bends 19forming shoulders on which the mat 13 seats. The bands are secured tothe rim by rivets, certain of which latter, a short distance above thebends 19 have heads 20 which serve to hold the mat in place on theshoulders formed by the bends.

The mat employed with the last described structure can also be readilyremoved, as there is enough spring in the wooden rim 17 to allow the matto pass the rivet heads 20.

I claim:

A riddle comprising an annular band, reinforcing bands passing aroundthe same endwise, and having internal shoulders, a screen removablysupported on the shoulders, and screen retaining-means on thereinforcing bands.

In testimony whereof I ailix my signature in presence of two witnesses.

JOHN A. ISLIN.

Witnesses:

F. A. BARTLETTE, L. C. STEWART.

Copies of this patent may be obtained for five cents each, by addressingthe Commissioner of Patents,

' Washington, D. G."

